Heney c



(No Model.)

H. O. REGISTER.

. DENTAL DISK CARRIER.

No. 362,783. Patented May 10, 1887.

a M E n. PETERS. Phnwump im. Washington, u.c.

NITED STATES HENRY C. REGISTER, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO THE S. S. IVHITE DENTAL MANUFACTURING COMPANY, OF SAME PLACE.

DENTAL DISK-CARRIER.

SPECIFICATION forming part of Letters Patent No. 362,783, dated May 10,1887.

Application filed February 2, 1887. Serial No. 226,221. (No model.)

To all whom, it may concern; The front end of the shank A is provided with Be it known that I, HENRY C. REGISTER, a g a flattened head, (1., corresponding to the flatcitizen of the United States, residing at Phila tened head b of the feathered locking-pin B. delphia, in the county of Philadelphia and The cutting, grindin or abrading disk C is 5 5 State of Pennsylvania, have invented certain provided with a central opening for the pasnew and useful Improvements in Disk-Carriers sage through it of the shank and splines or ribs or Mandrels; and I do hereby declare the folof the lockingpiu B, whereby said disk may lowing to be a full, clear, and exact. description be firmly clamped and held between the headed of the invention, such as will enable others ends of the shank A and pin B, so as to be IO skilledin the art to whiehit appertainstomake driven with and form part of the mandrel A. and use the same. In orderto lock the two heads ab together My invention relates to tools or mand rels for and upon the interposed disk C, the edges of carrying cutting, polishing. or abrading disks the feathers or ribs b of the locking-pin B are and to permit of their ready replacement. serew'threaded and titted to receive a nut, D, 15 These disks are sometimes made ofsand-paper, sliding upon the shank A. Upon screwing up cloth, or other similar material; but the parsaid nut D upon the threaded splines or ribs ticular material or formation of the disk conb the head I) of the locking-pin Bis drawn up stitutes no part of my presentinvention,whieh firmly against the interposed disk C, and obrelates only to the fastening or carrying deviously looks it firmly to the shank or man- 2O vices therefor. drel A. I prefer, in fastening disks which The object of my invention is to provide an may be made out of soft materialsueh as improved disk-carrier or mandrel, and after cloth or sandpaper, for exampleto permit first describing it in detail, by aid of the acthe splines, feathers, or ribs 1) to cut out lips i eompanying drawings, I will distinctly recite c c at the center of the disk, so that said lips 5 the subject-matter claimed by me in a sumlie parallel with said ribs or splines to aid in mary at the close of this specification. the formation .of the drivingconnection be- In said drawings, Figure 1 is a view in eletween the disk and mandrel. Thisis particuvation of my improved disk-carrier or mair larly shown in Fig. 3. drel. Fig. 2 is a face view thereof. Fig. 3 1 claim as my invention 3 is an enlarged longitudinal sectional view The combination of the sot-keted shank or through the front end thereof; and Fig. 4, an mandrel, the feathered and headed lockingenlarged View with the parts of the mandrel pin, and the screw or clamp nut fitted to work or disk-carrier separated, so as to show more on the threaded edges of said loeking-pin,suhclearly the manner of fitting them together to stantially as described. 35 clamp and carry the cutting or abrading disk. In testimony whereof I aflix my signature in The shank A of the carrier or mandrel may presence of two witnesses. be of the usual or of any approved construction, having a socket, a, in the front end and HER RX REGISFER a longitudinal slot, a, fitted to receive, re- Vitnesses: o spectively, the cylindrical rear end, I), and lat- LIsLE STOKES,

eral fins or splines b b of the feathered pin B. Lnvr TEAL. 

